Emerson Liebert NXL, Operation And Maintenance Manual

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Operation
13
Battery Test
• Auto Test—Enable/Disable (default: disabled)
• Test Cycle, weeks—1 to 26 (default: 13 weeks)
• Time of day, hh:mm—Set Hour and Minute; sets the start time of the automatic battery test
• Start Date, mm dd, yyyyy—Set Month, Day and Year
• Test Duration, minutes—Automatic, 0.5 minute to 30% of full load Operating Time
(default: automatic)
• Minimum Battery Voltage, lead-acid only—1.75VPC to 1.95VPC (default: 1.75VPC); this is the
minimum voltage the battery test will stop.
Low Battery Warning Time
• Low Battery Warning Time, minutes—2 to 60, depending on configured batteries (default: 5 min-
utes)
Battery Temperature
• Battery Temp Warning—30°C to 50°C (default: 40°C)
• Battery Temp Limit—35°C to 60°C (default: 50°C)
• Disconnect—Enable/Disable (default: disabled)
Figure 13 Battery Management Parameters
Cell Count Adjustment
• Cell Count Adjustment— -12 cells to +6 cells (default: 0)
Float Voltage
• Battery Float Voltage, Vpc—2.15 to 2.3 (default: 2.25)
NOTE
If Disconnect is set to “Enable’ and the Battery Temp Limit is met, the Battery breaker will
open.